<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      autocomplete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">
          {{ $t("login.title") }}
        </h3>
        <!-- <lang-select class="set-language" /> -->
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <!-- <svg-icon icon-class="user" /> -->
          <i class="el-icon-user" style="color: rgb(255, 255, 255)"></i>
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          :placeholder="$t('login.username')"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>

      <el-tooltip
        v-model="capsTooltip"
        content="大写锁定已开启"
        placement="right"
        manual
      >
        <el-form-item prop="password">
          <span class="svg-container">
            <!-- <svg-icon icon-class="password" /> -->
            <i class="el-icon-key" style="color: rgb(255, 255, 255)"></i>
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            :placeholder="$t('login.password')"
            name="password"
            tabindex="2"
            autocomplete="on"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <!-- <svg-icon
              :icon-class="passwordType === 'password' ? 'el-icon-view' : 'eye-open'"
            /> -->
            <i :class="passwordType === 'password' ? 'el-icon-lock' : 'el-icon-unlock'" style="color: rgb(255, 255, 255)"></i>
          </span>
        </el-form-item>
      </el-tooltip>

      <div>
        <el-form-item prop="code" id="codeInput">
          <el-input size="normal" type="text" v-model="loginForm.code" auto-complete="off"
                    placeholder="点击图片更换验证码" @keydown.enter.native="handleLogin" ></el-input>
        </el-form-item>
        <img :src="'data: image/jpeg;base64,'+ this.vcUrl" @click="updateVerifyCode" alt="" style="cursor: pointer" id="imageOne" class="codeImg">
      </div>


      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px;background-color: rgb(21, 47, 72);border-color: rgb(21, 47, 72)"
        @click.native.prevent="handleLogin"
      >
        {{ $t("login.logIn") }}
      </el-button>

      <!--<div style="position: relative">
         <div class="tips">
          <span>{{ $t('login.username') }} : admin</span>
          <span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
        </div>
        <div class="tips">
          <span style="margin-right:18px;">
            {{ $t('login.username') }} : editor
          </span>
          <span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
        </div>

        <el-button class="thirdparty-button" type="primary" @click="showDialog=true">
          {{ $t('login.thirdparty') }}
        </el-button>
      </div>-->
    </el-form>

    <!-- <el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog">
      {{ $t('login.thirdpartyTips') }}
      <br>
      <br>
      <br>
      <social-sign />
    </el-dialog> -->
  </div>
</template>

<script>
// import { validUsername } from "@/utils/validate";
// import LangSelect from '@/components/LangSelect'
// import SocialSign from './components/SocialSignin'
import axios from 'axios'



export default {

  name: "Login",
  // components: { LangSelect, SocialSign },

  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
        code:"",
        onlyKey:""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入用户名！" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入密码！" },
          { min: 6, trigger: "blur", message: "密码长度不小于6个字符!" },
        ],
        code:[
          { required: true, trigger: "blur", message: "请输入验证码！" },
        ]
      },
      passwordType: "password",
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {},
      vcUrl: '',
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        const query = route.query;
        if (query) {
          this.redirect = query.redirect;
          this.otherQuery = this.getOtherQuery(query);
        }
      },
      immediate: true,
    },
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {

    if (this.loginForm.username === "") {
      this.$refs.username.focus();
    } else if (this.loginForm.password === "") {
      this.$refs.password.focus();
    }

    axios.get("http://47.108.251.250:3296/getCaptcha").then(response=>{
      this.vcUrl=response.data.data.img
      this.loginForm.onlyKey=response.data.data.imgUUID
    })


  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    updateVerifyCode() {
      axios.get("http://47.108.251.250:3296/getCaptcha").then(response=>{
        this.vcUrl=response.data.data.img
        this.loginForm.onlyKey=response.data.data.imgUUID
      })
    },
    // 提示键盘大写已开启
    checkCapslock(e) {
      const { key } = e;
      this.capsTooltip = key && key.length === 1 && key >= "A" && key <= "Z";
    },
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({
                path: this.redirect || "/",
                query: this.otherQuery,
              });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== "redirect") {
          acc[cur] = query[cur];
        }
        return acc;
      }, {});
    },

  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background:url("../../assets/background.jpg");
  background-size:100% 100%;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(21, 47, 72, 0.4);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    // border:1px solid #dccfcf;
    box-shadow: 0 0 25px #525253;
    background-color:rgba(255,255,255,0.3);
    position: relative;
    width: 520px;
    max-width: 100%;
    margin: 150px auto;
    padding: 35px 35px 0;
    // margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #ffffff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: rgb(21, 47, 72);
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }

    .set-language {
      color: #fff;
      position: absolute;
      top: 3px;
      font-size: 18px;
      right: 0px;
      cursor: pointer;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
<style scoped>
.loginItem{
  height:40px;
  font-size: 16px;
}
#imageOne{
  height: 46px;
  width: 120px;
  float: right;

}
#codeInput{
  width: 300px;
  float: left;
}
</style>
